True or false does north korea have mineral resources such as coal and iron ore?

Which of the following best summarizes the point of agreement?

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

The process by which liquid water changes into water vapour is called what ?